Ключевые слова: air pollution, boat, brown, business, chemical, chimney, climate, contaminants, contamination, cruise, destruction, dirty, disease, economy, emissions, environment, europe, factory, ferry, fragile, habitat, harbor, health, impact, industrial, industry, issue, italy, lagoon, nature, navigation, oil, oil refinery, plants, plastic, pollution, port, problem, risk, ship, sky, smog, smoke, transport, venetian, venice, waste, water,